RU2062957C1 - Household furnace - Google Patents

Abstract

FIELD: household boilers for local heating systems, hot water supply systems and preparation of food. SUBSTANCE: household furnace has furnace chamber guarded by heat exchange walls cooled with water, gas duct whose upper horizontal wall is made in form of plating, oven, thermal cabinet, expansion tank-accumulator with water heater mounted on risers and offtake. Located in gas duct perpendicularly to gas flow are horizontal heat exchange tubes brought in communication with water volume of boiler. Located in gas duct under plate in spaced relation to furnace chamber and smokebox is horizontal partition made of two non-cooled metal sheets which divides gas duct into upper and lower gas passages. Fitted between sheets 13 before oven is three-leaved gate. Guard plates are secured on risers. Boiler is provided with branch pipes for feeding water to water volume, water heater and discharging hot water to consumer and connecting to local heating system. EFFECT: enhanced efficiency. 5 dwg

Description

 The invention relates to domestic stoves, can be used for local heating systems, hot water, as well as for cooking.

 A well-known household furnace, including a combustion chamber fenced by heat-exchanged walls cooled by water, a gas duct with a top wall in the form of tile flooring, an oven, a gate, a distribution tank-accumulator with a water heater and a chimney (A.S. Ragozin, Household appliances using disposable, liquid and solid fuel , L. Nedra, p. 214-216).

 The disadvantage of this furnace is the inability to turn off the stove for cooking with the boiler running, when the need for cooking disappears.

 The technical result of the invention is to eliminate the noted drawback and increase due to this the efficiency of the boiler.

 The technical result is achieved by the fact that in the flue under the stove for cooking is placed a gap relative to the combustion chamber and the chimney, a horizontal partition of two sheets with a gate installed between them, dividing the flue into two channels: the upper, the gases of which wash the stove for cooking, and the lower whose gases wash the main surfaces of the boiler and the oven.

 In this case, the gate is installed in front of the oven, made in the form of a shamrock and is designed to redistribute the gas flow through the mentioned channels.

 As a result, it becomes possible to turn off the stove for cooking, when the need for the latter disappears, and increase the efficiency of the boiler by reducing heat loss through the stove and either increasing the amount of heated water with a constant fuel consumption, or reducing fuel consumption with a constant amount of heated water.

 In addition, it becomes possible to control the temperature of the environment in the room in which the boiler is installed, for example, in the kitchen.

 In FIG. 1 is a longitudinal section through a boiler; in Fig.2 a section aa in Fig. 1; in Fig. 3, section BB in Fig. 1 and the assembly in Fig. 1 in Fig. 4, section BB in Fig. 1.

 The household oven contains a combustion chamber 1, enclosed by heat-exchanged walls 2, cooled by water, a gas duct 3, the upper horizontal wall 4 of which is made in the form of tile flooring, an oven 5, a heating cabinet 6, an expansion tank-accumulator 7 with a water heater 8, mounted on riser pipes 9 and the chimney 10. In the flue 3 perpendicular to the gas stream, heat exchange pipes 11 are horizontally connected to the water volume of the boiler 12. In the flue 3 under the stove 4 is placed with a gap relative to the combustion chamber 1 and the smoke box 10 a horizontal partition of two uncooled, for example, metal sheets 13, dividing the gas duct 3 into the upper 14 and lower 15 gas channels. Between the sheets 13 in front of the oven 5, a slide shamrock 16 is installed.

 On the pipe racks 9, enclosing sheets 17 are strengthened. The household stove is equipped with nozzles for washing the water volume 12, supplying water to the water heater 8 and removing hot water from the consumer to it, and connecting to a local heating system.

 A household stove operates as follows.

 The hot gases generated in the combustion chamber 1 enter the gas duct 3. The further movement of the gases and the operating mode of the furnace depend on the position of the shamrock-trefoil 16, as shown in Fig. 5.

 Position 5a.

 Gases pass through the entire upper channel 14, washing the entire stove 4 and the lower channel 15 with a complete washing of the oven 5.

 Regulation 5b.

 Gases pass only through the lower channel 15 and completely wash the oven 5. The stove 4 is turned off.

 Regulation 5c.

 Gases pass through the lower channel 15, partially washing the oven 5. The stove 4 is turned off.

 Position 5g.

 Gases pass through the upper channel 14, partially washing the stove 4 in its upper part and through the lower channel 15, completely washing the oven 5.

Possible intermediate positions of the gate 16, other than a brief 90 ^o .

 At all positions of the gate 16, the water is heated in the water boiler 12. The cooled gases enter the chimney 10 and are removed from the boiler.

 The expanding water heated in the water boiler 12 through the risers by pipes 9 enters the storage tank 7, in which it partially transfers heat to the water in the water heater 8. The boiler water circulates in a closed circuit, either directly in the boiler or through a local heating system. The water heater 6 is supplied with mains water, the water heated in it is discharged to the consumer. YYY2

Claims (1)

 Household oven, including a combustion chamber enclosed by heat-exchanged walls, cooled by water, a gas duct with a top wall in the form of tile flooring, an oven, a gate, an expansion tank-accumulator with a water heater and a chimney, characterized in that it is equipped with a heating cabinet installed behind the oven and a horizontal partition placed in the flue between the combustion chamber and the chimney and dividing it into two channels, while the partition is made of two parts with a gate installed between them in the form of a trefoil.

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